How to Install KiCad EDA with Libraries in Linux Mint
(Schematic and PCB editor)
Have you installed KiCad this way?
sudo add-apt-repository --yes ppa:js-reynaud/kicad-4sudo apt-get updatesudo apt-get install kicadDo you have the same issue? The following libraries were not found…

This should help: sudo apt-get install kicad-library
